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Guignardia bidwellii Podredumbre negra de la vid (grape black rot) |
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Guignardia bidwellii Podredumbre negra de la vid (grape black rot) |
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Guignardia bidwellii Fotografía de Paul Pecknold Plant & Pest Diagnostic Laboratory - Purdue University - USA |
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Guignardia bidwellii Fotografía de John Jaworski Plant & Pest Diagnostic Laboratory - Purdue University - USA |
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Guignardia bidwellii Fotografía de John Jaworski Plant & Pest Diagnostic Laboratory - Purdue University - USA |
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Guignardia bidwellii Horticulture for Northeast Missouri University Missouri Extension - USA |
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Guignardia bidwellii Plant Pathology Extension College of Agriculture and Life Sciences North Carolina State University - USA |
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